package com.atguign.gulimall.member.exception;

/**
 * @program: gulimall
 * @description: 用户存在
 * @author: liuxvru
 * @create: 2024-09-04 21:09
 **/

public class UsernameExistException extends RuntimeException{
    public UsernameExistException(){
        super("用户名已存在");
    }
}
